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2 years ago

This table shows a proportional relationship.

Mathematics

1 answer:

Ilia_Sergeevich [38]2 years ago

4 0

If you divide x by y you get 4.5.

y = [4.5]x

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Alexndra earns $125 from her paper route each month but she spends about $20 each month on personal expenses.To pay for a school

Andrei [34K]

It would take Alexandria 8 months to earn the money.

125-20= 105 monthly earnings after personal expenses
800/105= 7.6 which rounds to 8.

8x105= 840

8 0

2 years ago

Read 2 more answers

Add. 3/10+(−7/20) Enter your answer

Oliga [24]

Make the denominator the same, so multiple 3/10 by 2, which produces 6/20. Take 6/20 and subtract 7/20 because adding a negative number is the same as subtracting a positive number. the Answer is -1/20.

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3 years ago

ZA is opposite B A A. BC O O B. AB C. C D. AC E. ZA F. AB and Ac

amm1812

The right answer is A

3 0

2 years ago

Sammi has $125.75 in her savings account. She deposits $25.50 into the account each month for the next 6 months.

Rina8888 [55]

Answer:

i think the answer is 278.75

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1 year ago

Choose all the functions that give the sequence:

TEA [102]

Hence, the functions that produce given sequence are:

f(n) = 2n + 1

f(n) = 2(n − 1) + 3

Further explanation:

We will put n=1,2,3,4,5 to find which functions give the given sequence

f(n) = 2n − 1

Putting values of n

$f(1)=2(1)-1=2-1=1\\f(2)=2(2)-1=4-1=3\\f(3)=2(3)-1=6-1=5$

This function doesn't generate the given sequence

f(n) = 2n + 1

Putting values of n

$f(1)=2(1)+1=2+1=3\\f(2)=2(2)+1=4+1=5\\f(3)=2(3)+1=6+1=7\\f(4)=2(4)+1=8+1=9\\f(5)=2(5)+1=10+1=11$

This function generates the given sequence.

f(n) = 2(n − 1) − 3

Putting values of n

$f(1) = 2(1 -1) -3=2(0)-3=0-3=-3\\f(2) = 2(2 -1) -3=2(1)-3=2-3=-1\\f(3) = 2(3-1) -3=2(2)-3=4-3=1$

This function doesn't generate the given sequence

f(n) = 2(n − 1) + 3

Putting values of n

$f(1) = 2(1 - 1) + 3=2(0)+3=0+3=3\\f(2) = 2(2 - 1) + 3=2(1)+3=2+3=5\\f(3) = 2(3 - 1) + 3=2(2)+3=4+3=7\\f(4) = 2(4 - 1) + 3=2(3)+3=6+3=9$

Hence, the functions that produce given sequence are:

f(n) = 2n + 1

f(n) = 2(n − 1) + 3

Keywords: Functions, Sequence

Learn more about functions at:

#LearnwithBrainly

8 0

3 years ago